Home / 171,121.20-236,139.48-94,641

Finding the Fourth Proportional to 171,121.20, 236,139.48 and 94,641

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Solution

The fourth proportional to 171,121.20, 236,139.48 and 94,641 is: 130,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,121.20 : 236,139.48 = 94,641 : x
  2. Step 2: Convert to fraction form
    171,121.20/236,139.48 = 94,641/x
  3. Step 3: Cross multiply
    171,121.20x = 236,139.48 × 94,641
  4. Step 4: Simplify right side
    171,121.20x = 22,348,476,526.68
  5. Step 5: Solve for x
    x = 22,348,476,526.68/171,121.20
  6. Step 6: Final answer
    x = 130,600.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.